Harman US

Andover, IA Weather & Growing Conditions

Tonight
52°F
Rain Showers
Rain showers. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Rain Showers 10 to 15 mph S 82%
Wednesday 56°F Chance Rain Showers 15 mph SW 36%
Wednesday Night 44°F Chance Rain Showers 10 to 15 mph SW 25%
Thursday 53°F Chance Rain Showers 10 mph W 52%
Thursday Night 40°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NW 26%
Friday 51°F Partly Sunny 5 to 10 mph N 11%
Friday Night 32°F Partly Cloudy 0 to 5 mph N 0%
Saturday 52°F Mostly Sunny 0 to 5 mph W 3%
Saturday Night 34°F Partly Cloudy 0 to 5 mph W 3%
Sunday 59°F Mostly Sunny 5 to 10 mph W 11%
Sunday Night 34°F Mostly Clear 5 mph W 3%
Monday 62°F Sunny 5 to 10 mph SW 1%
Monday Night 38°F Mostly Clear 5 mph W 0%
Tuesday 61°F Sunny 5 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Andover, IA

Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
5a

Explore more for Andover, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Fulton L&D #13, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.